follow stab55_3, 1. record strict MPI stage-1 preflight evidence; 2. clarify that global reduction and fail-closed preflight do not imply distributed MG support; 3. rebuild the corrected report. [opencode].
follow stab55_3, 1. record strict MPI stage-1 preflight evidence; 2. clarify that global reduction and fail-closed preflight do not imply distributed MG support; 3. rebuild the corrected report. [opencode].